Energy efficiency of layout solutions of heating and ventilation systems
Abstract
Energy efficiency of layout solutions of heating and ventilation systems
Incoming article date: 04.09.2018The article presents the results of studies to determine the energy efficiency of the two options for the mutual placement of the fan and the air heater in the ventilation system. The traditional variant with the installation of the air heater to the fan and the layout solution with the installation of the air heater after the fan are considered. It is shown that thermodynamic processes occur in the systems under consideration, the direction and energy efficiency of which depends on the layout solution of the system. By using the method of analysis of aerodynamic efficiency of ventilation systems, it is proved that the implementation of the objective function of the system with the highest energy efficiency corresponds to the installation of the fan in front of the air heater. This option corresponds to the minimum values of the volumetric capacity of the fan and its power consumption.
Keywords: fan, air heater, ventilation system, heating and ventilation system, energy, power, energy efficiency, energy conversion, mechanical power flow, thermodynamic system